Senior Software Engineer

The role

You will develop applications, APIs, and SDKs for the Agent Commerce Kit to enable interaction between humans and AI agents. You will build core platform features including cryptographic identity management, payment workflows, and transaction processing.

What you will do

• Develop applications, APIs, and SDKs for AI agent and user communication
• Build systems for cryptographic identity management, payment workflows, and transaction processing
• Design and implement end-to-end user experiences for AI agents
• Engineer systems for digital identities, peer discovery, and reputation management
• Build performant backend services and scalable APIs for decentralized AI agents

Required qualifications

• 6+ years of full stack engineering experience
• Strong foundation in backend architecture
• Experience delivering user-facing products
• Track record of shipping complex production-quality products from initial concept to production
• Ability to work in ambiguous environments
• Capability to independently design and implement technical solutions from the ground up
• Curiosity for emerging technologies like AI agents, stablecoins, and programmable identity
• Ability to effectively leverage AI tools in your workflow

Nice to have

• Hands-on experience building AI-driven solutions or integrating with modern AI toolkits
• Experience in fintech, payments, or blockchain development
• Proficiency with Python, TypeScript, Go, React
• Contributions to relevant open-source projects

About the company

Catena is a startup building financial infrastructure for the agentic economy. The team is developing ways for humans and AI agents to interact with financial systems.